Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

Sline Hub to Single Speed?

Old 10-27-08, 10:34 AM
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DOOMhisname
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Spline Hub to Single Speed?

I searched... Any way to convert a spline hub (freehub) to a single speed? The idea here is to essentially remove the other gears on cassette and just have one gear.


Spline Hub (freehub)


Threaded Hub

You would have to remove the cassette and slide on the splined single speed gear and have a lockring/spacer of sorts to keep the gear in place.

Last edited by DOOMhisname; 10-27-08 at 10:49 AM.
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Old 10-27-08, 10:55 AM
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streetlightpoet
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yep, they make singlespeed spacer kits to do just that. It's also been done with PVC pipe cut to length.
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Old 10-27-08, 11:04 AM
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K. Found them here. http://www.jensonusa.com/store/produ...pacer+Kit.aspx.

Now the question, where do you find a single spline gear? Grind it off of a cassette?
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Old 10-27-08, 11:09 AM
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http://www.pedalpowered.com/servlet/...splined/Detail

Nevermind, thanks.
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Old 10-27-08, 11:10 AM
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Iser@n
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Nope, just buy a bmx cog. http://www.jensonusa.com/store/produ...y+Bmx+Cog.aspx

If you buy one, be careful the base isn't too narrow, or it will cut into the body.

EDIT: see you found out yourself already, however please take notice off my second remark! The cog in your link is cheap and will do the job, but there's a big chance it will cut into the body if its aluminum.
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Old 10-27-08, 01:19 PM
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http://www.jensonusa.com/store/produ...y+Bmx+Cog.aspx

Aha, this one is wider.
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Old 10-27-08, 01:43 PM
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Most cassetts are just held together by a skinny long screw. Take the cassette off and look at the back, there should be at least 1 (maybe 2) hex bolts screwing into the cassette. It's really small, so you may not notice it right away. Like .5mm small. The smallest hex wrench you can buy small. Just unscrew and the cassette will fall apart.
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Old 10-27-08, 03:26 PM
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got a free and easy way to do it. you take your casette and put the larger cogs on first and then put the cog you want on so it lines up with the chainline and then you put on the smaller ones (say 12-15 teeth) and then just re lock the lockring on and it works. i have done it to 2 bikes over the last 3 months for friends and its fine. sometimes i needed to steal parts and spacers from older cassettes to make the spacing work, but its free if you have at least one old cassette
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Old 10-27-08, 03:54 PM
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Originally Posted by fivehoursfree View Post
Most cassetts are just held together by a skinny long screw. Take the cassette off and look at the back, there should be at least 1 (maybe 2) hex bolts screwing into the cassette. It's really small, so you may not notice it right away. Like .5mm small. The smallest hex wrench you can buy small. Just unscrew and the cassette will fall apart.
i was going to say the same thing. then you will have spacers and cogs.... though you usually need 2 cassettes to get enough spacers, but it works just fine.
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